diff --git a/roles/matrix-base/tasks/server_base/setup_raspbian.yml b/roles/matrix-base/tasks/server_base/setup_raspbian.yml
index a9a5d20a..a84228a5 100644
--- a/roles/matrix-base/tasks/server_base/setup_raspbian.yml
+++ b/roles/matrix-base/tasks/server_base/setup_raspbian.yml
@@ -5,6 +5,7 @@
     name:
       - apt-transport-https
       - ca-certificates
+      - gnupg
     state: present
     update_cache: yes